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- ABB Bailey
- NTFBO1
- Fieldbus Module Termination Unit
- Sweden (SE)
- 180 × 100 × 60 mm
- 0.91 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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Product Overview
The ABB Bailey NTFBO1 is an Infi 90 Fieldbus Module Termination Unit used to provide the field wiring and signal termination interface for compatible fieldbus modules within an Infi 90 control system. It forms part of the I/O connection infrastructure between fieldbus-related equipment and the control-system hardware.
In an Infi 90 installation, termination units are typically mounted within the control or interface cabinet and provide an organized point for connecting field wiring to the corresponding system module. The NTFBO1 therefore belongs to the signal-interface layer rather than the controller or application-logic layer.
The termination arrangement is useful in distributed industrial control systems where multiple field signals must be routed between field devices and centralized or distributed control equipment. Proper terminal identification and wiring are important because the termination unit forms part of the physical signal path.
For maintenance teams, the NTFBO1 can be inspected when field signals are missing, intermittent, incorrectly assigned, or affected by loose connections. Troubleshooting should consider the termination unit together with the field wiring, associated fieldbus module, and Infi 90 communication architecture.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB Bailey |
| Model | NTFBO1 |
| Product Family | Infi 90 |
| Product Type | Fieldbus Module Termination Unit |
| Primary Function | Fieldbus module signal and wiring termination |
| System Role | Fieldbus / I/O interface |
| Application | Industrial process control and automation |
| Dimensions | 180 × 100 × 60 mm |
| Weight | 0.91 kg |
Product Features
- Infi 90 Fieldbus Module Termination Unit
- Provides an organized termination point for compatible fieldbus module connections
- Interfaces field wiring with the associated control-system module
- Supports structured signal distribution within control cabinets
- Suitable for distributed industrial control installations
- Simplifies field connection and maintenance access
- Forms part of the physical I/O and communication interface rather than executing control logic
- Suitable for maintenance and replacement of compatible Infi 90 termination arrangements
Working Principle
The NTFBO1 provides the physical termination path between external field wiring and the associated Infi 90 fieldbus module. Signals entering through the field wiring are presented at the appropriate termination points and passed toward the connected control-system equipment.
Field Devices / Field Wiring → NTFBO1 → Infi 90 Fieldbus Module → Control System
The unit itself does not perform process control calculations or interpret the application logic. Its function is to maintain an organized electrical connection between the field circuit and the corresponding fieldbus module.
A loose terminal, incorrect connection, damaged conductor, or wiring mistake can interrupt the signal path or cause an unexpected field indication. For this reason, the NTFBO1 should be treated as part of the complete fieldbus interface when diagnosing signal problems.
Role in an Infi 90 Fieldbus Control Architecture
The NTFBO1 occupies the field termination layer of an Infi 90 control architecture. It connects field wiring with the corresponding fieldbus module while leaving signal processing and control decisions to the active system electronics.
Field Devices → Field Wiring → NTFBO1 → Fieldbus Module → Infi 90 Control Network → Controller → Operator / Engineering System
| System Element | Function |
|---|---|
| Field Devices | Generate process measurements or receive control actions |
| Field Wiring | Carries electrical signals between field and cabinet |
| NTFBO1 | Terminates and organizes fieldbus module connections |
| Fieldbus Module | Interfaces field signals with the Infi 90 system |
| Infi 90 Control Network | Transfers control and process information |
| Controller | Executes application logic and process control |
| Operator Station | Provides monitoring and operator interaction |
| Engineering System | Supports system configuration and diagnostics |
The separation between termination hardware and active control electronics allows field wiring problems to be investigated independently from controller and application-logic faults.
Industrial Applications
| Application | Typical Use |
|---|---|
| Process Automation | Field signal termination for distributed control |
| Chemical Processing | Interface between field wiring and control equipment |
| Power Generation | Fieldbus connection within plant control systems |
| Oil & Gas Facilities | Organized field wiring and control-system interfacing |
| Water and Wastewater Plants | Field signal connection for process equipment |
| Industrial Utilities | Cabinet-level fieldbus termination |
| Manufacturing Systems | Connection of distributed field instrumentation |
| Large Process Plants | Structured field wiring within Infi 90 installations |
Installation and Maintenance
- Verify that the NTFBO1 matches the intended Infi 90 fieldbus termination arrangement before installation.
- Review the approved system drawings and identify every field connection associated with the termination unit.
- Isolate the relevant field circuits before disconnecting or modifying termination wiring.
- Label existing conductors before removing the original termination unit.
- Inspect the terminal points and housing for signs of damage, contamination, or mechanical deterioration.
- Install the unit securely in the designated control-panel location.
- Confirm terminal assignments against the applicable wiring documentation before reconnecting field circuits.
- Check each conductor for secure mechanical connection and correct routing.
- Keep field wiring organized to reduce the possibility of incorrect channel identification during maintenance.
- Verify continuity and connection conditions where required by the commissioning procedure.
- Check the associated fieldbus module and control-system status after completing the wiring work.
- After replacement, test the affected field signals and confirm correct operation through the complete Infi 90 control path.
Compatible System Components
| Component | Function |
|---|---|
| ABB Bailey Infi 90 Controller | Executes process-control and application logic |
| Infi 90 Fieldbus Module | Interfaces field signals with the control system |
| NTFBO1 | Provides fieldbus module termination and wiring access |
| Field Wiring | Carries signals between field devices and cabinet |
| Process Transmitters | Provides process measurement signals |
| Control Valves | Receives configured process-control signals |
| Remote I/O Equipment | Interfaces distributed field signals |
| Control Network | Transfers process and control information |
| Engineering Station | Supports configuration and diagnostics |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| ABB Bailey NTFBO1 | Fieldbus Module Termination Unit | Infi 90 fieldbus signal termination |
| ABB Bailey NTCS01 | Control I/O Termination Unit | Infi 90 control-system field interfacing |
| ABB Bailey NTCS02 | Control I/O Termination Unit | Infi 90 control-system field interfacing |
| ABB Bailey NTCS04 | Control Station Termination Unit | Infi 90 control-system interface |
| ABB Bailey NTCU01 | Serial Interface Termination Unit | Infi 90 serial communication interface |
| ABB Bailey NTDI01 | Digital Input Termination Unit | Infi 90 discrete input field connection |
| ABB Bailey NTDI02 | Digital I/O Termination Unit | Infi 90 digital field signal termination |
| ABB Bailey NTDO02 | Digital Output Termination Unit | Infi 90 discrete output field connection |
Key Advantages
- Provides a dedicated termination point for compatible Infi 90 fieldbus modules.
- Organizes field wiring within the control-system cabinet.
- Separates physical field connections from active control processing.
- Simplifies inspection and troubleshooting of fieldbus-related wiring.
- Supports structured integration of distributed field signals.
- Suitable for maintenance and replacement of existing Infi 90 termination infrastructure.
Technical FAQs
How does the NTFBO1 differ from an active Infi 90 fieldbus module?
The NTFBO1 is a termination and wiring interface rather than the active module responsible for processing fieldbus data. The associated fieldbus module performs the active interface functions while the NTFBO1 provides the physical connection point.
What wiring problem is most likely to affect an NTFBO1-connected signal?
A loose terminal, incorrect conductor assignment, damaged wiring, or poor connection can interrupt the signal path. When a field signal is missing, the termination point should be checked together with the field wiring and associated fieldbus module.
Can the NTFBO1 be replaced without checking the fieldbus module?
The termination unit should be evaluated together with the associated fieldbus module because terminal assignments and system configuration must match the complete installation. Physical similarity alone is not sufficient for replacement selection.
What should be tested after replacing an NTFBO1?
The affected field connections should be checked individually, followed by verification of the associated fieldbus module and the corresponding signals in the Infi 90 control system. Functional testing should confirm that field information reaches the intended control points correctly.